[  756.570717] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.581748] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  756.592303] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  756.603772] br0: port 1(veth0) entered blocking state
[  756.603849] br0: port 1(veth0) entered disabled state
[  756.603908] veth0: entered allmulticast mode
[  756.604000] veth0: entered promiscuous mode
[  756.614279] br0: port 2(veth1) entered blocking state
[  756.614346] br0: port 2(veth1) entered disabled state
[  756.614430] veth1: entered allmulticast mode
[  756.614516] veth1: entered promiscuous mode
[  756.770750] br0: port 1(veth0) entered blocking state
[  756.770840] br0: port 1(veth0) entered forwarding state
[  756.770977] br0: port 2(veth1) entered blocking state
[  756.771066] br0: port 2(veth1) entered forwarding state
[  758.642731] bond0: (slave veth1): link status definitely up
[  758.642798] bond0: (slave veth1): making interface the new active one
[  758.642904] bond0: active interface up!
[  758.679345] veth1: left allmulticast mode
[  758.679415] veth1: left promiscuous mode
[  758.679474] br0: port 2(veth1) entered disabled state
[  758.679734] veth0: left allmulticast mode
[  758.679771] veth0: left promiscuous mode
[  758.679810] br0: port 1(veth0) entered disabled state
[  758.693008] bond0: (slave veth1): Releasing backup interface
[  758.696144] bond0: (slave veth0): Releasing backup interface
[  758.722930] bond0 (unregistering): Released all slaves